<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <!--Converted with LaTeX2HTML 96.1-c (Feb 29, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --> <HTML> <HEAD> <TITLE>semtool: An interactive semaphore manipulator</TITLE> <META NAME="description" CONTENT="semtool: An interactive semaphore manipulator"> <META NAME="keywords" CONTENT="lpg"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <LINK REL=STYLESHEET HREF="lpg.css"> </HEAD> <BODY LANG="EN"> <A NAME="tex2html1046" HREF="node55.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="/icons//next_motif.gif"></A> <A NAME="tex2html1044" HREF="node46.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="/icons//up_motif.gif"></A> <A NAME="tex2html1038" HREF="node53.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="/icons//previous_motif.gif"></A> <A NAME="tex2html1048" HREF="node1.html"><IMG WIDTH=65 HEIGHT=24 ALIGN=BOTTOM ALT="contents" SRC="/icons//contents_motif.gif"></A> <BR> <B> Next:</B> <A NAME="tex2html1047" HREF="node55.html">Background</A> <B>Up:</B> <A NAME="tex2html1045" HREF="node46.html">6.4.3 Semaphores</A> <B> Previous:</B> <A NAME="tex2html1039" HREF="node53.html">SYSTEM CALL: semctl()</A> <BR> <P> <H3><A NAME="SECTION00743600000000000000">semtool: An interactive semaphore manipulator</A></H3> <P> <BR> <HR> <UL> <LI> <A NAME="tex2html1049" HREF="node55.html#SECTION00743610000000000000">Background</A> <LI> <A NAME="tex2html1050" HREF="node56.html#SECTION00743620000000000000">Command Line Syntax</A> <UL> <LI> <A NAME="tex2html1051" HREF="node57.html#SECTION00743621000000000000">Creating a Semaphore Set</A> <LI> <A NAME="tex2html1052" HREF="node58.html#SECTION00743622000000000000">Locking a Semaphore</A> <LI> <A NAME="tex2html1053" HREF="node59.html#SECTION00743623000000000000">Unlocking a Semaphore</A> <LI> <A NAME="tex2html1054" HREF="node60.html#SECTION00743624000000000000">Changing the Permissions (mode)</A> <LI> <A NAME="tex2html1055" HREF="node61.html#SECTION00743625000000000000">Deleting a Semaphore Set</A> </UL> <LI> <A NAME="tex2html1056" HREF="node62.html#SECTION00743630000000000000">Examples</A> <LI> <A NAME="tex2html1057" HREF="node63.html#SECTION00743640000000000000">The Source</A> </UL> <BR> <HR> <P><ADDRESS> <I>Converted on: <BR> Fri Mar 29 14:43:04 EST 1996</I> </ADDRESS> </BODY> </HTML>